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test_material_damage_non_local.cc
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Fri, Jun 21, 07:18

test_material_damage_non_local.cc
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/**
* @file test_material_damage_non_local.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Sep 13 2011
* @date last modification: Thu Apr 03 2014
*
* @brief test for non-local damage materials
*
* @section LICENSE
*
* Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include <iostream>
/* -------------------------------------------------------------------------- */
#include "solid_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
using namespace akantu;
int main(int argc, char *argv[])
{
debug::setDebugLevel(dblWarning);
akantu::initialize("material_damage_non_local.dat", argc, argv);
UInt max_steps = 40000;
const UInt spatial_dimension = 2;
Mesh mesh(spatial_dimension);
mesh.read("mesh.msh");
mesh.createGroupsFromMeshData<std::string>("physical_names");
SolidMechanicsModel model(mesh);
/// model initialization
model.initFull();
Real time_step = model.getStableTimeStep();
model.setTimeStep(time_step/10.);
std::cout << model << std::endl;
model.applyBC(BC::Dirichlet::FixedValue(0.0), "Fixed");
// Boundary condition (Neumann)
Matrix<Real> stress(2,2);
stress.eye(3e6);
model.applyBC(BC::Neumann::FromHigherDim(stress), "Traction");
model.setBaseName("damage_non_local");
model.addDumpField("displacement");
model.addDumpField("mass" );
model.addDumpField("velocity" );
model.addDumpField("acceleration");
model.addDumpField("force" );
model.addDumpField("residual" );
model.addDumpField("damage" );
model.addDumpField("stress" );
model.addDumpField("strain" );
model.dump();
for(UInt s = 0; s < max_steps; ++s) {
model.explicitPred();
model.updateResidual();
model.updateAcceleration();
model.explicitCorr();
if(s % 100 == 0) std::cout << "Step " << s+1 << "/" << max_steps <<std::endl;
if(s % 100 == 0) model.dump();
}
akantu::finalize();
return EXIT_SUCCESS;
}

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